214303404 has 48 divisors (see below), whose sum is σ = 574818048. Its totient is φ = 60871488.

The previous prime is 214303387. The next prime is 214303429. The reversal of 214303404 is 404303412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7159 + ... + 21905.

It is an arithmetic number, because the mean of its divisors is an integer number (11975376).

Almost surely, 2^214303404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214303404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287409024).

214303404 is an abundant number, since it is smaller than the sum of its proper divisors (360514644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214303404 is a wasteful number, since it uses less digits than its factorization.

214303404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14934 (or 14932 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 214303404 is about 14639.1053005298. The cubic root of 214303404 is about 598.4249467411.

Adding to 214303404 its reverse (404303412), we get a palindrome (618606816).

The spelling of 214303404 in words is "two hundred fourteen million, three hundred three thousand, four hundred four".